| tty.c (47407) | tty.c (49540) |
|---|---|
| 1/*- 2 * Copyright (c) 1982, 1986, 1990, 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. --- 22 unchanged lines hidden (view full) --- 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)tty.c 8.8 (Berkeley) 1/21/94 | 1/*- 2 * Copyright (c) 1982, 1986, 1990, 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. --- 22 unchanged lines hidden (view full) --- 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)tty.c 8.8 (Berkeley) 1/21/94 |
| 39 * $Id: tty.c,v 1.118 1999/05/08 06:39:42 phk Exp $ | 39 * $Id: tty.c,v 1.119 1999/05/22 20:10:31 dt Exp $ |
| 40 */ 41 42/*- 43 * TODO: 44 * o Fix races for sending the start char in ttyflush(). 45 * o Handle inter-byte timeout for "MIN > 0, TIME > 0" in ttyselect(). 46 * With luck, there will be MIN chars before select() returns(). 47 * o Handle CLOCAL consistently for ptys. Perhaps disallow setting it. --- 41 unchanged lines hidden (view full) --- 89#include <sys/vnode.h> 90#include <sys/signalvar.h> 91#include <sys/resourcevar.h> 92#include <sys/malloc.h> 93#include <sys/filedesc.h> 94#if NSNP > 0 95#include <sys/snoop.h> 96#endif | 40 */ 41 42/*- 43 * TODO: 44 * o Fix races for sending the start char in ttyflush(). 45 * o Handle inter-byte timeout for "MIN > 0, TIME > 0" in ttyselect(). 46 * With luck, there will be MIN chars before select() returns(). 47 * o Handle CLOCAL consistently for ptys. Perhaps disallow setting it. --- 41 unchanged lines hidden (view full) --- 89#include <sys/vnode.h> 90#include <sys/signalvar.h> 91#include <sys/resourcevar.h> 92#include <sys/malloc.h> 93#include <sys/filedesc.h> 94#if NSNP > 0 95#include <sys/snoop.h> 96#endif |
| 97#include <sys/sysctl.h> |
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| 97 98#include <vm/vm.h> 99#include <sys/lock.h> 100#include <vm/pmap.h> 101#include <vm/vm_map.h> 102 103MALLOC_DEFINE(M_TTYS, "ttys", "tty data structures"); 104 --- 85 unchanged lines hidden (view full) --- 190#define SET(t, f) (t) |= (f) 191#define CLR(t, f) (t) &= ~(f) 192#define ISSET(t, f) ((t) & (f)) 193 194#undef MAX_INPUT /* XXX wrong in <sys/syslimits.h> */ 195#define MAX_INPUT TTYHOG /* XXX limit is usually larger for !ICANON */ 196 197/* | 98 99#include <vm/vm.h> 100#include <sys/lock.h> 101#include <vm/pmap.h> 102#include <vm/vm_map.h> 103 104MALLOC_DEFINE(M_TTYS, "ttys", "tty data structures"); 105 --- 85 unchanged lines hidden (view full) --- 191#define SET(t, f) (t) |= (f) 192#define CLR(t, f) (t) &= ~(f) 193#define ISSET(t, f) ((t) & (f)) 194 195#undef MAX_INPUT /* XXX wrong in <sys/syslimits.h> */ 196#define MAX_INPUT TTYHOG /* XXX limit is usually larger for !ICANON */ 197 198/* |
| 199 * list of struct tty where pstat(8) can pick it up with sysctl 200 */ 201static SLIST_HEAD(, tty) tty_list; 202 203/* |
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| 198 * Initial open of tty, or (re)entry to standard tty line discipline. 199 */ 200int 201ttyopen(device, tp) 202 dev_t device; 203 register struct tty *tp; 204{ 205 int s; --- 2222 unchanged lines hidden (view full) --- 2428 */ 2429void 2430ttyfree(tp) 2431 struct tty *tp; 2432{ 2433 free(tp, M_TTYS); 2434} 2435#endif /* 0 */ | 204 * Initial open of tty, or (re)entry to standard tty line discipline. 205 */ 206int 207ttyopen(device, tp) 208 dev_t device; 209 register struct tty *tp; 210{ 211 int s; --- 2222 unchanged lines hidden (view full) --- 2434 */ 2435void 2436ttyfree(tp) 2437 struct tty *tp; 2438{ 2439 free(tp, M_TTYS); 2440} 2441#endif /* 0 */ |
| 2442 2443void 2444ttyregister(tp) 2445 struct tty *tp; 2446{ 2447 SLIST_INSERT_HEAD(&tty_list, tp, t_list); 2448} 2449 2450static int 2451sysctl_kern_ttys SYSCTL_HANDLER_ARGS 2452{ 2453 int error; 2454 struct tty *tp, t; 2455 SLIST_FOREACH(tp, &tty_list, t_list) { 2456 t = *tp; 2457 if (t.t_dev) 2458 t.t_dev = (dev_t)dev2udev(t.t_dev); 2459 error = SYSCTL_OUT(req, (caddr_t)&t, sizeof(t)); 2460 if (error) 2461 return (error); 2462 } 2463 return (0); 2464} 2465 2466SYSCTL_PROC(_kern, OID_AUTO, ttys, CTLTYPE_OPAQUE|CTLFLAG_RD, 2467 0, 0, sysctl_kern_ttys, "S,tty", "All struct ttys"); |
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